| Engine options | |
| International Harvester 4.6L 6-cyl diesel | |
| International Harvester 5.1L 6-cyl diesel | |
| International Harvester 4.3L 6-cyl gasoline | |
| Interntional Harvester 4.8L 6-cyl gasoline |
| Engine Detail | |
| International Harvester D282 | |
| diesel | |
| 6-cylinder | |
| liquid-cooled | |
| The 282 was the original diesel available for the 706. It was later replaced by the German-built 310 diesel. | |
| Displacement | 282 ci 4.6 L |
| Bore/Stroke | 3.6875x4.3906 inches 94 x 112 mm |
| Power (gross) | 89 hp 66.4 kW |
| Air cleaner | dual stage dry |
| Rated RPM | 2300 |
| Idle RPM | 900-2300 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Coolant capacity | 21.5 qts 20.3 L |
| Intake valve clearance | 0.027 inches (hot) 0.686 mm |
| Exhaust valve clearance | 0.027 inches (hot) 0.686 mm |
| Engine Oil | |
| |
| Oil capacity | 9 qts 8.5 L |
| Engine Detail | |
| International Harvester D310 | |
| diesel | |
| 6-cylinder | |
| liquid-cooled | |
| The 310 replaced the 282 diesel in November 1966, serial number 37237. | |
| Displacement | 310 ci 5.1 L |
| Bore/Stroke | 3.875x4.375 inches 98 x 111 mm |
| Air cleaner | dual stage dry |
| Rated RPM | 2300 |
| Starter volts | 12 |
| Engine Detail | |
| International Harvester C263 | |
| gasoline | |
| 6-cylinder | |
| liquid-cooled | |
| The 263 was also available as an LP gas engine. | |
| Displacement | 263 ci 4.3 L |
| Bore/Stroke | 3.5625x4.3906 inches 90 x 112 mm |
| Power (gross) | 89 hp 66.4 kW |
| Air cleaner | dual stage dry |
| Rated RPM | 2300 |
| Idle RPM | 900-2300 |
| Starter volts | 12 |
| Coolant capacity | 20.5 qts (gas) 19.4 L |
|   | 21 qts (LP gas) 19.9 L |
| Sparkplug gap | 0.023 inches (gas) 0.584 mm |
|   | 0.015 inches (LP) 0.381 mm |
| Point gap | 0.020 inches 0.508 mm |
| Intake valve clearance | 0.027 inches (hot) 0.686 mm |
| Exhaust valve clearance | 0.027 inches (hot) 0.686 mm |
| Engine Oil | |
| |
| Oil capacity | 9 qts 8.5 L |
| Engine Detail | |
| Interntional Harvester C291 | |
| gasoline | |
| 6-cylinder | |
| liquid-cooled | |
| The 291 was also available as an LP gas engine. | |
| Displacement | 291 ci 4.8 L |
| Bore/Stroke | 3.75x4.39 inches 95 x 112 mm |
| Compression | 7.5:1 |
| Rated RPM | 2300 |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on July 11, 2011 |